It is an approach to managing a company's interaction with current and potential customers. It uses data analysis about customers' history with a company and to improve business relationships with customers, specifically focusing on customer retention and ultimately driving sales growth.Customer Relationship management is the strongest and the most efficient approach in maintaining and creating relationships with customers. Customer relationship management is not only pure business but also ideate strong personal bonding within people. Development of this type of bonding drives the business to new levels of success.